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API 6A type ms check valve

Country/Region china
Company valve-suppliers company
Categories Stainless Steel Check Valve
Telephone 021-54658232
ICP License Issued by the Chinese Ministry
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    API 6A type ms check valve

    Name:API 6A type ms check valve

    Category:: check valve

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    Details

    The product description

    Our Company Profile:

    Shanghai yuying machinery technology Co.,Ltd is a modern enterprise specializing in the research,manufacturing and distribution of petroleum equipment. The company had passed ISO9001 International Quality System Certification and obtained API 6D, API6A, API 16C Certificates.
    The main products of Shanghai Yuying are high,medium pressure valves, oil (gas) wellhead, casing head, BOP, Choke and kill manifold, mud manifold, drilling accessories and hydraulic fittings etc,.The company has strong technical force .Products are produce according to international standard ISO/DF, ANSI, API, GB and oil standard SY and other professional standard .On the other hand ,we can also produce the product according to the customer’s special requirements ...
    The products are mainly applied to petrochemical industry, not only widely sales in domestic, but also export to the Middle East, southeast Asia, Europe and America and other many countries and area. With powerful strength and good reputation ,we always provide you high-quality products and best service

    Company photos

    workshop:

    introduction of Check valve

    Check valve is to rely on the flow of the media itself and automatically open and close the valve flap, used to prevent the media back flow of the valve, also known as check valve, check valve, counterflow valve, and back pressure valve. Check valve is an automatic valve, its main role is to prevent the media back, to prevent the pump and drive motor reverse, and the container media release.

    classification

    Opening and closing by the media flow and power to open or close on their own to prevent the media back valve called the check valve. Check valve is automatic valve type, mainly used for medium one-way flow of the pipeline, only to allow the media to flow in one direction to prevent accidents.

    Check valve by structure, can be divided into lift check valve, swing check valve and butterfly check valve three kinds:

    1. Lift check valve is divided into vertical and horizontal two.

    2. Swing check valve is divided into single-valve type, double-and multi-valve type three.

    3. Butterfly check valve for the straight-through.

    Several types of check valves in the connection can be divided into the threaded connection, flange connection, welding connection and the folder to connect four.

    Features of Check valve

    Structural features

    Bolted bonnet, swing-type and lift-off valve flap metal sealing surface.

    Valve body and valve cover connection form

    Class150 ~ Class900 with bolted valve cover; Class1500 ~ Class2500 self-pressure sealed valve cover.

    Bonnet gasket form

    Class150 ~ Class300 check valve with stainless steel graphite spiral wound gasket; Class600 check valve available stainless steel graphite spiral wound gasket can also be used metal ring gasket; Class900 check valve can be metal ring gasket, Class1500 ~ Class2500 check valve from the Pressure seal metal ring.

    Seat

    Carbon steel check valve seat is usually forged steel materials, valve seat sealing surface can be sprayed carbide according to customer requirements, NPS10 '' check valve with separate threaded screw-in seat, if the user needs welding Seat structure is also available; NPS12 cut-off valve with welded seat structure; stainless steel check valve seat is generally used in the overall type or on the body after welding carbide directly processed seat. If the user needs, stainless steel check valve seat can also be used separate threaded screw-in and welded seat structure.

    Structural Characteristics of Swing Check Valve in Cast Steel

    Large-diameter check valve design rings, easy lifting.

    Bolted valve cover, the flange gasket type can be selected according to the different pressure levels;

    CLASS600 check valve can be self-tightening pressure structure.

    Valves limit device to prevent the valve flap open position is too high and can not be closed.

    Soli

    Quality API 6A type ms check valve for sale
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